<template>
    <div class="xtx-cart-page">
        <!-- <button @click="$confirm({ text: 'xxx' })"> 点击弹出确认框 </button> -->
        <div class="container">
            <XtxBread>
                <XtxBreadItem to="/">首页</XtxBreadItem>
                <XtxBreadItem>购物车</XtxBreadItem>
            </XtxBread>
            <div class="cart">
                <!-- 删除了全部就显示空状态 -->
                <CartNone v-if="$store.getters['cart/validList'].length === 0" />
                <table v-else>
                    <thead>
                        <tr>
                            <th width="120">
                                <XtxCheckbox v-model="isCheckAll">全选</XtxCheckbox>
                            </th>
                            <th width="400">商品信息</th>
                            <th width="220">单价</th>
                            <th width="180">数量</th>
                            <th width="180">小计</th>
                            <th width="140">操作</th>
                        </tr>
                    </thead>
                    <!-- 有效商品 -->
                    <tbody>
                        <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
                            <td>
                                <XtxCheckbox v-model="item.selected"
                                    @change="$store.dispatch('cart/updateCart', item)" />
                            </td>
                            <td>
                                <div class="goods">
                                    <RouterLink to="/"><img :src="item.picture" alt=""></RouterLink>
                                    <div>
                                        <p class="name ellipsis">{{ item.name }}</p>
                                        <!-- 🔔选择规格组件 -->
                                        <CartSku :attrs-text="item.attrsText" :skuId="item.skuId"
                                            @change="updateCartSku(item.skuId, $event)" />
                                    </div>
                                </div>
                            </td>
                            <td class="tc">
                                <p>&yen;{{ item.nowPrice }}</p>
                                <p v-if="item.price - item.nowPrice > 0">比加入时降价 <span class="red">&yen;{{ item.price -
                                    item.nowPrice }}</span></p>
                            </td>
                            <td class="tc">
                                <XtxNumbox v-model="item.count" @change="$store.dispatch('cart/updateCart', item)" />
                            </td>
                            <td class="tc">
                                <p class="f16 red">&yen;{{ (item.nowPrice * item.count).toFixed(2) }}</p>
                            </td>
                            <td class="tc">
                                <p><a href="javascript:;">移入收藏夹</a></p>
                                <p><a @click="deleteCart(item.skuId)" class="green" href="javascript:;">删除</a></p>
                                <p><a href="javascript:;">找相似</a></p>
                            </td>
                        </tr>
                    </tbody>
                    <!-- 无效商品 -->
                    <tbody v-if="$store.getters['cart/invalidList'].length > 0">
                        <tr>
                            <td colspan="6">
                                <h3 class="tit">失效商品</h3>
                            </td>
                        </tr>
                        <tr v-for="i in 3" :key="i">
                            <td>
                                <XtxCheckbox style="color:#eee;" />
                            </td>
                            <td>
                                <div class="goods">
                                    <RouterLink to="/"><img
                                            src="https://yanxuan-item.nosdn.127.net/13ab302f8f2c954d873f03be36f8fb03.png"
                                            alt=""></RouterLink>
                                    <div>
                                        <p class="name ellipsis">和手足干裂说拜拜 ingrams手足皲裂修复霜</p>
                                        <p class="attr">颜色：粉色 尺寸：14cm 产地：中国</p>
                                    </div>
                                </div>
                            </td>
                            <td class="tc">
                                <p>&yen;200.00</p>
                            </td>
                            <td class="tc">1</td>
                            <td class="tc">
                                <p>&yen;200.00</p>
                            </td>
                            <td class="tc">
                                <p><a class="green" href="javascript:;">删除</a></p>
                                <p><a href="javascript:;">找相似</a></p>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
            <!-- 操作栏 -->
            <div class="action">
                <div class="batch">
                    <XtxCheckbox v-model="isCheckAll">全选</XtxCheckbox>
                    <a @click="batchDeleteCart(false)" href="javascript:;">删除选中商品</a>
                    <a href="javascript:;">移入收藏夹</a>
                    <a @click="batchDeleteCart(true)" href="javascript:;">清空失效商品</a>
                </div>
                <div class="total">
                    共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择 {{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
                    <span class="red">¥ {{ $store.getters['cart/selectedAmount'] }}</span>
                    <XtxButton @click="goCheckout()" type="primary">下单结算</XtxButton>
                </div>
            </div>
            <!-- 猜你喜欢 -->
            <GoodsRelevant />
        </div>
    </div>
</template>

<script>
import GoodsRelevant from '@/views/goods/components/GoodsRelevant.vue'
import CartNone from './components/cart-none.vue'
import CartSku from './components/cart-sku.vue'
import { computed } from 'vue'
import { useStore } from 'vuex'
import { Confirm } from '@/components/library/Confirm'
import Message from '@/components/library/xtx-message'
import { useRouter } from 'vue-router'
export default {
    name: 'XtxCartPage',
    components: { GoodsRelevant, CartNone, CartSku },
    setup() {
        const store = useStore()
        // Vuex 上使用 v-model: https://next.vuex.vuejs.org/zh/guide/forms.html
        const isCheckAll = computed({
            get: () => store.getters['cart/isCheckAll'],
            set: (val) => store.dispatch('cart/checkAllCart', val)
        })

        // 删除单个商品
        const deleteCart = (skuId) => {
            Confirm({ title: '温馨提示', text: '您确定从购物车删除该商品吗？' })
                .then(res => {
                    store.dispatch('cart/deleteCart', skuId)
                }).catch(() => { })
        }

        // 删除所有选中商品
        const batchDeleteCart = (isInvalid) => {
            Confirm({ title: '温馨提示', text: `您确定删除所有${isInvalid === true ? '失效' : '选中'}商品吗？` })
                .then(res => {
                    store.dispatch('cart/batchDeleteCart', isInvalid)
                })
        }

        const updateCartSku = (oldSkuId, newSku) => {
            console.log({ oldSkuId, newSku })
            store.dispatch('cart/updateCartSku', { oldSkuId: oldSkuId, newSku: newSku })
        }

        const router = useRouter()
        // 下单结算按钮
        const goCheckout = () => {
            // 判断是否选中有效商品。
            if (store.getters['cart/selectedTotal'] === 0) return Message({ message: '至少选中一件商品' })
            // 判断是否登录，给确认框提示，点击确认
            if (store.state.user.profile.token) {
                router.push('/member/checkout')
            } else {
                Confirm({ text: '下单结算需要登录，确认现在去登录吗？' }).then(() => {
                    router.push('/member/checkout')
                }).catch(() => { })
            }
        }

        return { isCheckAll, deleteCart, batchDeleteCart, updateCartSku, goCheckout }
    }
}
</script>

<style scoped lang="less">
.tc {
    text-align: center;

    .xtx-numbox {
        margin: 0 auto;
        width: 120px;
    }
}

.red {
    color: @priceColor;
}

.green {
    color: @xtxColor
}

.f16 {
    font-size: 16px;
}

.goods {
    display: flex;
    align-items: center;

    img {
        width: 100px;
        height: 100px;
    }

    >div {
        width: 280px;
        font-size: 16px;
        padding-left: 10px;

        .attr {
            font-size: 14px;
            color: #999;
        }
    }
}

.action {
    display: flex;
    background: #fff;
    margin-top: 20px;
    height: 80px;
    align-items: center;
    font-size: 16px;
    justify-content: space-between;
    padding: 0 30px;

    .xtx-checkbox {
        color: #999;
    }

    .batch {
        a {
            margin-left: 20px;
        }
    }

    .red {
        font-size: 18px;
        margin-right: 20px;
        font-weight: bold;
    }
}

.tit {
    color: #666;
    font-size: 16px;
    font-weight: normal;
    line-height: 50px;
}

.xtx-cart-page {
    .cart {
        background: #fff;
        color: #666;

        table {
            border-spacing: 0;
            border-collapse: collapse;
            line-height: 24px;

            th,
            td {
                padding: 10px;
                border-bottom: 1px solid #f5f5f5;

                &:first-child {
                    text-align: left;
                    padding-left: 30px;
                    color: #999;
                }
            }

            th {
                font-size: 16px;
                font-weight: normal;
                line-height: 50px;
            }
        }
    }
}
</style>